enablewinbind: enable winbind for user information by default.enablewinbindauth: enable winbind for authentication by default.smbsecurity: security mode to use for samba and winbind.smbrealm: default realm for samba and winbind when security=ads.smbworkgroup: Classic (pre Windows 2003 Server) name of domain.smbidmaprange: configures winbind to assume that users with no domain in their user names are domain users.winbindtemplateshell: the shell which winbind-created users will have as their login shell.enablewinbindusedefaultdomain: configures winbind to assume that users with no domain in their user names are domain users.winbindseparator: the character which will be used to separate the domain and user part of winbind-created user names if winbindusedefaultdomain is not enabled.enablemkhomedir: create home directories for users on their first login.updateall: update all configuration files.

Follow some commands to test the configuration:

# getent passwd <user>
# id <user>
# getent group <domain group>

Done! Your linux system is authenticating against on Active Directory.